![]() ![]() Needle beam scaffold≺ scaffold consisting of a plank platform which rests upon two parallel horizontal beams (needle beams) supported at the ends by ropes. Lifeline≺ rope, or cable, to which a lanyard, safety belt or harness is attached. Ledgers which do not support putlogs are also called stringers. Ledger and stringer≺ scaffold member which extends horizontally from post to post, at right angles to the putlogs, supports the putlogs, forms a tie between the posts, and becomes a part of the scaffold bracing. One end is fastened to a safety belt or harness and the other end is secured to a substantial object or a lifeline. ![]() Lanyard≺ rope, webbed belt or equivalent, suitable for supporting one person. Ladder jack scaffold≺ scaffold, the platform of which is supported by jacks attached to ladders. An independent pole scaffold may also be referred to as a built-up scaffold. Independent scaffold≺ scaffold supported from the base by a double row of uprights, independent of support from the walls and constructed of uprights, ledgers, horizontal platform bearers and diagonal bracing. Horse scaffold≺ scaffold, the platform of which is supported by horses. ![]() Guardrail≺ rail 34 inches in height, erected to protect the workmen as well as to prevent the falling of material from a platform. This term shall include but not be limited to braces, shores, struts, ties, forms, centering, walers, cross arms and any other devices which temporarily hold components in place during the construction of a structure.īricklayers squares scaffold≺ scaffold, the platform of which is composed of boards supported by jacks or squares secured to each other by double diagonal bracking.Ĭarpenters bracket scaffold≺ scaffold, the platform of which is composed of boards supported by brackets or that are secured to the side of the building.Ĭrawling board or Chicken ladder≺ board to which cross strips are nailed or otherwise fastened for use on a ladder. Bracing is a system of braces or ties that prevent distortion of a structure.īracing≺ll temporary devices required to be used or installed during construction, repair or revision operations for the purpose of holding in place components of a building or a structure until it and all its components are permanently assembled and connected in ways that insure permanent stability. The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:īrace≺ tie that holds one point in a fixed position with respect to another point. The provisions of this Chapter 6 adopted amended through July 1, 1968, unless otherwise noted. The provisions of this Chapter 6 issued under act of J(P. Plasterers and decorators inside scaffolds. CHAPTER 6. CONSTRUCTION AND REPAIRS GENERAL PROVISIONS ![]()
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